SION Y POTIAU EDWARDS
\sɪˈɒn wˈa͡ɪ pˈə͡ʊʃɪˌa͡ʊ ˈɛdwədz], \sɪˈɒn wˈaɪ pˈəʊʃɪˌaʊ ˈɛdwədz], \s_ɪ__ˈɒ_n w_ˈaɪ p_ˈəʊ_ʃ_ɪ__ˌaʊ ˈɛ_d_w_ə_d_z]\
Definitions of SION Y POTIAU EDWARDS
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- That portion electromagnetic spectrum immediately below visible range extending into x-ray frequencies. longer near-biotic vital necessary for endogenous synthesis of vitamin D and are also called antirachitic rays; the shorter, ionizing wavelengths (far-UV or abiotic extravital rays) viricidal, bactericidal, mutagenic, carcinogenic used as disinfectants.